W dniu 05.11.2015 o 20:14, Pavel Fedin pisze:
> Hello!
>
>>> + ethernet@3 {
>>> + compatible = "smsc,lan9115";
>>> + reg = <3 0 0x10000>;
>>> + phy-mode = "mii";
>>> + interrupt-parent = <&gpx0>;
>>> + interrupts = <5 8>;
>>
>> s/8/IRQ_TYPE_LEVEL_LOW/
>> (is this really level low interrupt?)
>
> Yes, according to:
> https://github.com/AndreiLux/Perseus-S3/blob/master/arch/arm/mach-exynos/mach-smdk5250.c#L133
Although this is different board, but okay.
>
>> Some other DTS include regulators: vddvario-supply and vdd33a-supply. It
>> seems that they are not described in SMSC911x bindings but in
>> GPMC-eth... but the smsc911x driver is requesting them. Could you
>> investigate that? I think these regulators should be provided (and
>> SMSC911x bindings should be updated).
>
> Sorry, i cannot. The board has lots of jumpers, which choose between fixed
> voltage and regulators for different components,
> according to board's manual, but the manual is very poor IMHO, and i don't
> understand how to use them. And i use default,
> fixed-voltage configuration.
> One of my colleagues tried to get it working, but failed. It actually
> requires more time, and IIRC you need to bring up i2c before
> you can drive regulators.
> So can we leave it as it is for now? At least it works, and this is much
> better than no ethernet support at all.
Ok, that is sufficient explanation.
>> I don't have the board schematics so I couldn't verify the GPIOs.
>
> Me neither, i wrote GPIO settings according to chip datasheet i have. They
> are actually chip-specific, but i wrote them in board
> file because on different boards you may use different banks, and therefore
> different pins. Or, if you don't use SROMc at all, you
> can configure all pins to do something else.
>
Makes sense.
Best regards,
Krzysztof
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